TM 10-3930-659-20 10-5. BRAKE VALVES PRESSURE TEST (Con't). 15. Remove tee (11) from tee (9). 16. Remove adapter (14), quick coupler (13), and preformed packing (12) from tee (11).  Discard preformed packing. 17. Install new preformed packing (6) and hose (5) on tee (9). FOLLOW-ON TASKS: • Bleed brakes (see paragraph 10-17). • Install front cab skirt (see paragraph 14-6). • Remove frame locking bar (see TM 10-3930-659-10). TA706940 10-17